If g is a differentiable function such that g(x) < 0 for all real numbers x and if f'(x)=(x2-4)g(x), which of the following is true

Question

Question

If g is a differentiable function such that g(x) < 0 for all real numbers x and if f'(x)=(x2-4)g(x), which of the following is true?

math

Answer 1

Answer #1

The answer is "B", f(x) has a minimum at x=-2 and a maximum at x=+2.

For explanations, see
http://www.jiskha.com/display.cgi?id=1293845056

answered by: Vinny

Answer 2

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